1.500Hydraulic propeller

2.Compensating device

3.Compensating mailbox

4.Underwater hydraulic power unit

5.Compensated hydraulic control valve  compartment

6.Control cabin

7.Main control shelter

8.Intelligent power distribution system

9.Master and monitor display

10.Integrated control platform

11.PDU system

12.Cable car

13.Underwater head, lights and cameras